<template>
    <div class="login-container">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
                 label-position="left">
            <div class="title-container"><h3 class="title">树莓派空气检测系统</h3></div>
            <el-form-item prop="username">
                <span class="svg-container"><svg-icon icon-class="user"/></span>
                <el-input ref="username" v-model="loginForm.username" placeholder="用户名" name="username" type="text"
                          tabindex="1" auto-complete="on"/>
            </el-form-item>

            <el-form-item prop="password">
                <span class="svg-container"><svg-icon icon-class="password"/></span>
                <el-input
                        :key="passwordType"
                        ref="password"
                        v-model="loginForm.password"
                        :type="passwordType"
                        placeholder="密码"
                        name="password"
                        tabindex="2"
                        auto-complete="on"
                        @keyup.enter.native="handleLogin"
                />
                <span class="show-pwd" @click="showPwd"><svg-icon
                        :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"></svg-icon></span>
            </el-form-item>

            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
                       @click.native.prevent="handleLogin">登录
            </el-button>
        </el-form>
    </div>
</template>

<script>
    import {mapMutations} from "vuex";
    import {ServiceWithOutToken} from '../utils/request.js'

    export default {
        name: 'Login',
        data() {
            return {
                loginForm: {
                    username: 'admin',
                    password: ''
                },
                loginRules: {
                    username: [{required: true, trigger: 'blur'}],
                    password: [{required: true, trigger: 'blur'}]
                },
                loading: false,
                passwordType: 'password',
                redirect: undefined
            };
        },
        watch: {},
        methods: {
            ...mapMutations(['saveToken']),
            showPwd() {
                if (this.passwordType === 'password') {
                    this.passwordType = '';
                } else {
                    this.passwordType = 'password';
                }
                this.$nextTick(() => {
                    this.$refs.password.focus();
                });
            },
            handleLogin() {
                ServiceWithOutToken({
                    url: "/doLogin",
                    method: 'post',
                    data: {
                        username: this.loginForm.username,
                        password: this.loginForm.password
                    }
                }).then(res => {
                    if (res.statusCodeValue === 200) {
                        this.saveToken({"token": res.x_auth_token})
                    } else {
                        alert("用户名或密码错误！")
                    }
                })
            }
        }
    };
</script>

<style lang="scss">
    $bg: #283443;
    $light_gray: #fff;
    $cursor: #fff;

    @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
        .login-container .el-input input {
            color: $cursor;
        }
    }

    /* reset element-ui css */
    .login-container {
        .el-input {
            display: inline-block;
            height: 47px;
            width: 85%;

            input {
                background: transparent;
                border: 0px;
                -webkit-appearance: none;
                border-radius: 0px;
                padding: 12px 5px 12px 15px;
                color: $light_gray;
                height: 47px;
                caret-color: $cursor;

                &:-webkit-autofill {
                    box-shadow: 0 0 0px 1000px $bg inset !important;
                    -webkit-text-fill-color: $cursor !important;
                }
            }
        }

        .el-form-item {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(0, 0, 0, 0.1);
            border-radius: 5px;
            color: #454545;
        }
    }
</style>

<style lang="scss" scoped>
    $bg: #2d3a4b;
    $dark_gray: #889aa4;
    $light_gray: #eee;

    .login-container {
        min-height: 100%;
        width: 100%;
        background-color: $bg;
        overflow: hidden;
        height: 100%;
        position: fixed;

        .login-form {
            position: relative;
            width: 520px;
            max-width: 100%;
            padding: 160px 35px 0;
            margin: 0 auto;
            overflow: hidden;
        }

        .tips {
            font-size: 14px;
            color: #fff;
            margin-bottom: 10px;

            span {
                &:first-of-type {
                    margin-right: 16px;
                }
            }
        }

        .svg-container {
            padding: 6px 5px 6px 15px;
            color: $dark_gray;
            vertical-align: middle;
            width: 30px;
            display: inline-block;
        }

        .title-container {
            position: relative;

            .title {
                font-size: 26px;
                color: $light_gray;
                margin: 0px auto 40px auto;
                text-align: center;
                font-weight: bold;
            }
        }

        .show-pwd {
            position: absolute;
            right: 10px;
            top: 7px;
            font-size: 16px;
            color: $dark_gray;
            cursor: pointer;
            user-select: none;
        }
    }
</style>
